commit 83013631f0f9961416abd812e228c8efbc2f6069 upstream.

Undo the PHY initialisation (e.g. balance runtime PM) if host initialisation fails during probe.

Link: https://lore.kernel.org/r/20220401133854.10421-3-johan+linaro@kernel.org Fixes: 82a823833f4e ("PCI: qcom: Add Qualcomm PCIe controller driver") Signed-off-by: Johan Hovold johan+linaro@kernel.org Signed-off-by: Lorenzo Pieralisi lorenzo.pieralisi@arm.com Signed-off-by: Bjorn Helgaas bhelgaas@google.com Reviewed-by: Manivannan Sadhasivam manivannan.sadhasivam@linaro.org Acked-by: Stanimir Varbanov svarbanov@mm-sol.com Cc: stable@vger.kernel.org # 4.5 [ johan: adjust context to 4.9 ] Signed-off-by: Johan Hovold johan+linaro@kernel.org --- drivers/pci/host/pcie-qcom.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/pci/host/pcie-qcom.c b/drivers/pci/host/pcie-qcom.c index aeb46f8c7087..4e21ca3c067e 100644 --- a/drivers/pci/host/pcie-qcom.c +++ b/drivers/pci/host/pcie-qcom.c @@ -562,10 +562,15 @@ static int qcom_pcie_probe(struct platform_device *pdev) ret = dw_pcie_host_init(pp); if (ret) { dev_err(dev, "cannot initialize host\n"); - return ret; + goto err_phy_exit; }

return 0; + +err_phy_exit: + phy_exit(pcie->phy); + + return ret; }

static const struct of_device_id qcom_pcie_match[] = {